On 04/11/2021 10:48, Roger Pau Monne wrote: > Introduce a new domain create field so that toolstack can specify the > maximum grant table version usable by the domain. This is plumbed into > xl and settable by the user as max_grant_version. > > Previously this was only settable on a per host basis using the > gnttab command line option. > > Note the version is specified using 4 bits, which leaves room to > specify up to grant table version 15. Given that we only have 2 grant > table versions right now, and a new version is unlikely in the near > future using 4 bits seems more than enough. > > xenstored stubdomains are limited to grant table v1 because the > current MiniOS code used to build them only has support for grants v1. > There are existing limits set for xenstored stubdomains at creation > time that already match the defaults in MiniOS. > > Signed-off-by: Roger Pau Monné <roger....@citrix.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> Thankyou.
